Home / 161,771.34-242,657.60-49,451.12

Finding the Fourth Proportional to 161,771.34, 242,657.60 and 49,451.12

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Solution

The fourth proportional to 161,771.34, 242,657.60 and 49,451.12 is: 74,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,771.34 : 242,657.60 = 49,451.12 : x
  2. Step 2: Convert to fraction form
    161,771.34/242,657.60 = 49,451.12/x
  3. Step 3: Cross multiply
    161,771.34x = 242,657.60 × 49,451.12
  4. Step 4: Simplify right side
    161,771.34x = 11,999,690,096.51
  5. Step 5: Solve for x
    x = 11,999,690,096.51/161,771.34
  6. Step 6: Final answer
    x = 74,176.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.